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. 2018 May 12;2018(5):CD012540. doi: 10.1002/14651858.CD012540.pub2

1. Sensitivity analysis: random effects vs fixed effect modelling.

Comparison 1: Usual care versus immunosuppressive withdrawal after monotherapy  
Outcome Random Effects RR (95% CI) Fixed Effect RR (95% CI) Impact
1.1 Relapse at 12, 18 or 24 months 0.42 (0.24‐0.72) 0.42 (0.24‐0.72) No change
1.2 New CD‐related complications 0.34 (0.06‐2.08) 0.34 (0.06‐2.08) No change
1.3 Adverse events 0.88 (0.67‐1.17) 0.97 (0.71‐1.32) Minimal
1.4 Serious adverse events 3.29 (0.35‐30.80) 3.29 (0.35‐30.80) No change
1.5 Withdrawal due to adverse events 2.59 (0.35‐19.04) 3.10 (0.49‐19.41) Minimal
Comparison 2: Usual care versus Immunosuppressive withdrawal after combination therapy  
Outcome Random Effects RR (95% CI) Fixed Effect RR (95% CI)  
2.1 Relapse at 12 or 24 months 1.02 (0.68‐1.52) 0.99 (0.69‐1.43) Minimal
2.2 Adverse events 1.11 (0.44‐2.81) 1.04 (0.73‐1.47) Minimal
2.3 Serious adverse events No pooling No pooling No pooling